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Finding the Fourth Proportional to 216.14, 296.66 and 191.16

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Solution

The fourth proportional to 216.14, 296.66 and 191.16 is: 262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216.14 : 296.66 = 191.16 : x
  2. Step 2: Convert to fraction form
    216.14/296.66 = 191.16/x
  3. Step 3: Cross multiply
    216.14x = 296.66 × 191.16
  4. Step 4: Simplify right side
    216.14x = 56,710.00
  5. Step 5: Solve for x
    x = 56,710.00/216.14
  6. Step 6: Final answer
    x = 262.38

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.